If You sell fruits to your brother (and Jabir b. Ahduthh reported through another chain of narrators: If you were to sell fruits to your brother) and these is a stricken with Calamity, it is not permissible for you to get anything from him. Why do you get the wealth of your brother, without jutification?
أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ إِنْ بِعْتَ مِنْ أَخِيكَ ثَمَرًا ح وَحَدَّثَنَا مُحَمَّدُ بْنُ عَبَّادٍ حَدَّثَنَا أَبُو ضَمْرَةَ عَنِ ابْنِ جُرَيْجٍ عَنْ أَبِي الزُّبَيْرِ أَنَّهُ سَمِعَ جَابِرَ بْنَ عَبْدِ اللَّهِ يَقُولُ قَالَ رَسُولُ اللَّهِ ﷺ لَوْ بِعْتَ مِنْ أَخِيكَ ثَمَرًا فَأَصَابَتْهُ جَائِحَةٌ فَلاَ يَحِلُّ لَكَ أَنْ تَأْخُذَ مِنْهُ شَيْئًا بِمَ تَأْخُذُ مَالَ أَخِيكَ بِغَيْرِ حَقٍّ